397 - Principal Software Engineer

About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for a motivated Principal Software Engineer to support the exciting Advanced Analytics Team mission. Engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives.

This position will support one of our government clients in Fort Meade, MD.

Responsibilities

• Design, develop, test, debug, and maintain software applications supporting mission requirements.
• Analyze customer needs, develop software prototypes, engineer technical solutions, implement algorithms, and translate conceptual designs into scalable software architectures.
• Develop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software.

Minimum Qualifications

• Bachelor's degree plus 11-years of relevant experience or equivalent.
• Proficiency with Python, and ability to read/understand C/C++, and Assembly (x86).
• Experience with software architecture, operating system design, compilers, and debugging.
• Comfortable working with operating system internals, low-level software development, file I/O, system APIs, memory management, and executable program analysis.

Preferred Qualifications

• Familiarity with malware analysis, reverse engineering, and protocol analysis.

$216,000 - $241,000 a year

The ARSIEM pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other laws.

Benefits For an overview of our benefits, please visit our benefits tab.

https://www.arsiem.com/careers/

Original Posting Date 2026-06-30

Clearance Requirement : This position requires an active TS/SCI with a polygraph. You must be a US Citizen for consideration.

Candidate Referral : Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $10,000, and the referrer is eligible to receive the sum for any applicant we can place within 12 months of referral. The bonus is paid after the referred employee reaches six months of employment.

ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.